Question
A researcher has found that pilots taking an over the counter antihistamine have poor reaction times. They performed an experiment on 44 pilots: 22 took
A researcher has found that pilots taking an over the counter antihistamine have poor reaction times. They performed an experiment on 44 pilots: 22 took the medication and 22 did not. Their reaction times to a command by Air Traffic Control was considered to be adequate or inadequate. Among those taking the medication, 13 were rated inadequate and 11 adequate. Among those not-taking the medication, 9 were rated adequate and only 11 inadequate. Construct a contingency table. Run the Chi-Square test for independence using the calculator in the module. Note that StatCrunch does NOT support this type of Chi-Square.
Use the five-step hypothesis testing process. State your findings and their significance.
Taking Med | Not taking med | |
Reaction Adequate | 13 | 11 |
Reaction Inadequate | 9 | 11 |
What is the problem with this research study? Is the Chi-Square test appropriate? Why or why not? What is the Chi-Squared test results? What could the researcher do to potentially rectify the problem?
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